Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Mary Davis Doyle, PHD, RN

Individual provider Registered Nurse · NPI 1275662587

Dr. Mary Davis Doyle, PHD, RN is a Registered Nurse in Tucson, Arizona. Licensed in Arizona. Registered with an NPI since 2007.

Licensed in
AZ
In the registry since
2007
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

3601 S 6th Ave
Tucson, AZ 85723-0001
Phone: (520) 792-1450
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Registered Nurse (primary) Taxonomy 163W00000X · Licence 35368 (AZ)

Record details

NPI number1275662587
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD , RN
Sole proprietorNo
NPI enumeratedMarch 4, 2007
Last updated in NPPESJuly 8, 2007

Other providers in Tucson